--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4983909058 dns-udp-queries-received-ipv6: 512939910 dns-tcp-queries-received-ipv4: 256864735 dns-tcp-queries-received-ipv6: 18565238 dns-udp-responses-sent-ipv4: 4798132385 dns-udp-responses-sent-ipv6: 507536410 dns-tcp-responses-sent-ipv4: 199551192 dns-tcp-responses-sent-ipv6: 18555765